'Fault in Our Stars' Author Is Changing the Game

John Green, "The Fault In Our Stars" author, is changing the whole genre of young adult fiction, WSJ's Alexandra Alter reports on Lunch Break. Photo: Getty.

This transcript has been automatically generated and may not be 100% accurate.

... I ... John Green Book too much like the bundle boosting the force you to buy all of the outbreak folks it's that they did in record time but I even wrote like half the clothes that contributed to me on tumbler that we all know that Justin Bieber fills his spare time I drag racing in China Mobile likes to plagiarize but today I'm going to share with you the surprising copies of many well known people ... that that's a YouTube clip from John Green and nerdy Internet star making posse where the deals but these days he draws crowds of screaming fans things to the blockbuster success of his novel ... but often are stars in the WSJ's Alexandra alter ... spoke with Ms degree about as rapid rise to fame and she joins us now welcome ... I think for having me yet tell me about John Green who was this guy inward become for filling us up for decades due to stress that ... is how he did not to get our audience of fans and he's been writing and adult novels since two thousand five publishing them ... on and as a boy sold extremely well and had a core audience that with the Faulconer stars which is his blockbuster but it has now come almost nine million copies in print worldwide which is extremely alliance ... known as being made into a feature film his audience is growing demographic is changing ... so what was once part of this need she and her called in and around this and all other new tipster has become more mainstream phenomenon trying adults and up and the people and what's the buzz on the film was even be hits while I went risk an advance screening couple weeks ago that was specifically for bands and or eight hundred people data have been camped out for Sloane are the sidewalk ... and it was ... kind of a rant I mean people were laughing screaming crying they were so excited that it was a obviously a pre selected group of FinCEN's and John dairying who were there to see him in need can and ... aam led to everyone that I spoke to the screening female fans to see it multiple times that of a flake ... you know that the way people want to see the movie takes panic that it's a very tragic story the fall semester as I think it's kind of this cathartic experience for from the fear in the theater ... it's funny it's a real new phenomenon the whole idea of the YouTube star capitalizing on in Mana ties in ... um what is this experience been like for him personally ... while I see it so it's an interesting comic impress anyone in it and one plan training said in Episcopal preen he's got a variety of interests ... aam in his YouTube videos every educational Insights lovely literature humanities current events and things that you don't necessarily think about being skewed to the new skin ... on and we had a very close relationship with this fanzine evening ... seem no correspondent than they make their own videos for him it's it's it's very close to the columns on sneered fighters they have there and ... gesture ... on and so I think for him it's been on filing to sort of scene is demographic change so quickly and insert of ... losing their moorings us first reason unfettered is the John Green fan of its units were looking quite different than it did a few months now FireEye Alexander also think you very much for coming in winning keep an eye on time we think can